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Internal Frame Backpacks

(293 products)
Products (293)
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    REI Co-opTrail 25 Pack
    $99.95
    190 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyHikelite 26 Pack
    $135.00
    8 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    26 liters
    Weight:
    1.8 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opFlash 55 Pack - Men's
    $229.00
    92 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.75 to 2.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    REI Co-opTrail 40 Pack - Women's
    $159.00
    31 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.56 to 2.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    DeuterAircontact Core 65 + 10 Pack - Men's
    $194.73
    Save 25%
    compared to  $260.00
    13 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    5.16 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opTrail 40 Pack - Men's
    $159.00
    56 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyTempest 22 Pack - Women's
    $175.00
    62 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    Top Rated
    OspreyTalon 22 Pack - Men's
    $175.00
    74 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    GregoryDeva 60 Pack - Closeout - Women's
    $208.73 - $276.73
    Save 25% - 40%
    compared to  $349.95 - $369.95
    9 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 65 liters
    Weight:
    4.61 to 4.96 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Hyperlite Mountain GearSouthwest 55 Pack
    $420.00
    8 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    1.86 to 2.04 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Top Rated
    REI Co-opTarn 40 Pack - Kids'
    $129.00
    18 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    40 liters
    Weight:
    2.44 lbs
    Features:
    Reservoir Compatible
    OspreyEja 58 Pack - Women's
    $285.00
    71 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    2.72 to 2.82 lbs
    Features:
    Reservoir Compatible
    Top Rated
    REI Co-opTrailmade 60 Pack - Men's
    $189.00
    12 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.31 to 3.5 lbs
    Features:
    Reservoir Compatible
    Top Rated
    OspreySirrus 24 Pack - Women's
    $134.73
    Save 25%
    compared to  $180.00
    7 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    REI Co-opTrailmade 60 Pack - Men's
    $106.83
    Save 40%
    compared to  $179.00
    13 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.69 lbs
    Features:
    Reservoir Compatible
    OspreyRook 65 Pack - Men's
    $205.00
    21 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.7 to 3.9 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    DeuterAircontact Core 45 + 10 SL Pack - Women's
    $179.73
    Save 25%
    compared to  $240.00
    15 reviews with an average rating of 4.1 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 liters
    Weight:
    4.78 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opFlash Air 50 Pack - Women's
    $299.00
    36 reviews with an average rating of 3.9 out of 5 stars
    Trip Length/Capacity:
    Weekend, Multiday
    Gear Capacity:
    49 to 51 liters
    Weight:
    1.75 to 1.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    OspreyExos 58 Pack - Men's
    $285.00
    105 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    58 to 61 liters
    Weight:
    2.84 to 2.94 lbs
    Features:
    Reservoir Compatible
    Top Rated
    REI Co-opTrailmade 60 Pack - Women's
    $189.00
    9 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.19 to 3.31 lbs
    Features:
    Reservoir Compatible
    REI Co-opTrailmade 60 Pack - Women's
    $106.83
    Save 40%
    compared to  $179.00
    7 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.62 lbs
    Features:
    Reservoir Compatible
    ALPS MountaineeringExpedition 75 Pack
    $187.73
    Save 30%
    compared to  $269.99
    0 reviews
    Trip Length/Capacity:
    Extended, Multiday
    Gear Capacity:
    75 liters
    Weight:
    5.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    OspreyStratos 36 Pack - Men's
    $164.93
    Save 25%
    compared to  $220.00
    33 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.28 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    GregoryBaltoro 65 Pack - Closeout - Men's
    $243.73
    Save 30%
    compared to  $349.95
    110 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 to 65 liters
    Weight:
    4.72 to 4.92 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    REI Co-opFlash 55 Pack - Women's
    $229.00
    83 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.62 to 2.75 lbs
    Features:
    Ultralight
    Reservoir Compatible
    GregoryMaven 65 Pack - Closeout - Women's
    $166.73
    Save 44%
    compared to  $299.95
    3 reviews with an average rating of 4.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 liters
    Weight:
    3.44 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    GregoryArrio 22 Pack
    $81.73
    Save 25%
    compared to  $109.95
    14 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    14.79 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    OspreyAether Plus 100 Pack - Men's
    $490.00
    23 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Extended
    Gear Capacity:
    98 to 100 liters
    Weight:
    6.39 to 6.69 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Mountain HardwearJMT 35 L Pack - Women's
    $116.73
    Save 35%
    compared to  $180.00
    16 reviews with an average rating of 4.2 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    2.58 to 2.59 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    OspreyAtmos AG 65 Pack - Men's
    $370.00
    152 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.61 to 4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included
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